AK2347 (3.388kHz, 3.290kHz) CTCSSLPF (3.6864MHz, 3.579545MHz) 2.7

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AK2347 (3.388kHz, 3.290kHz) CTCSSLPF (3.6864MHz, 3.579545MHz) 2.7

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[AK2347]
AK2347
(3.388kHz, 3.290kHz) CTCSSLPF (3.6864MHz, 3.579545MHz) 2.7V3.3V -40+85 CMOS 24VSOP
AK2347 CTCSSLPFIC HPF250HzCTCSS 2.55kHz3.0kHz
(Top view)
AGNDIN AGND TXINO TXIN EXTIN EXTINO LIMLV SDATA SCLK
RXIN RXINO FILTERO RXOUT DINO RSAOUT TSAOUT XOUT TEST
MS0375-J-00
2005/01
[AK2347]
MS0375-J-00
2005/01
[AK2347]
EXTINO
EXTIN
TXA2 300Hz TX/RX _HPF
TXSW2,1
LIMLV
TXINO
TXA1 (HPF)
+4.5/1.5dB
PreEmphasis
TXIN RXINO RXIN FILTERO
Compressor
Adder
Scrambler/ Descrambler
Limiter
-9.6 +3.0 /0.2dB
Splatter 2.55kHz /3.0kHz
TXRX RXA1 RXLPF
TXRX
PCONT
DeEmphasis
Expander
-18,-4.5 +4.5 /0.25dB
RXOUT
+3.5/0.5dB
RXSW FILSW2,1
3.6864MHz 3.579545MHz
DINO
DTA1
Sub-Audio Programmable
Power Power Mode 1,2,3,4 Mode
Power Mode
Power Mode 2,3,4
SASW
0.5dB
SASW RSAOUT TSAOUT
Control Register AGNDIN
AGND
XOUT
SDATA
TEST
MS0375-J-00
2005/01
AGND
SCLK
[AK2347]
TXA1 (HPF) Compressor Pre-emphasis TX/RX_HPF Scrambler/ Descrambler TXA2 Adder Limiter Splatter RXA1 RXLPF De-emphasis Expander DTA1 Sub-Audio Programmable 30dB 10kHz VR1210 -6.0+4.5 1.5dB/step dB1/2 :-10dBx TCON/OFF 250HzHigh-pass HPFON/OFF 3.388kHz3.290kHz EM,PCONT 0dB10kHz TXSW2, LIMLV LMTON/OFF VR2520 -3.2+3.0 0.2dB/step -6.4/0dB MSK3kHz Low-passSPL
SCFSmoothing
20dB 40kHz VR3330 -4.0+3.5 0.5dB/step 3kHzLow-pass Pre-emphasis CompressordB2 -10dBx TCON/OFF VR4540 -18.0,-4.5+4.5 0.25dB/step Sub-Audio 10kHz DTA1Low-pass RXA1 SASWSA5SA0
MS0375-J-00
2005/01
[AK2347]
AGND Control Register
Sub-Audio VR5450 -6.0+6.0 0.5dB/step (1/2VDD) 3.6864MHz3.579545MHz MCKSL RSTN
AGNDIN AGND TXINO TXIN TXA1
EXTIN
TXA1 TXA2 TXA2
EXTINO
LIMLV
SDATA
MS0375-J-00
2005/01
[AK2347]
SCLK TEST
XOUT3.6864MHz3.579545MHz 2.73.3VVSS 0.1uF Sub-Audio Sub-Audio
XOUT TSAOUT RSAOUT
DTA1 DTA1
DINO RXOUT FILTERO RXINO RXIN
RXLPFTX/RX_HPF RXA1
RXA1
Analog, Digital, PWR: Power, Input, Output, Bidirectional, High-Z, 30k50pF 10k50pF AGND AGND 0.256(VDD-AGND) XOUTXIN
MS0375-J-00
2005/01
[AK2347]
Tstg Min. -0.3 -0.3 Max. VDD+0.3
Min. Typ. 1/2VDD Max.
AGND
VIH1 VIH2 VIL1 VIL2 Min. 0.7VDD 0.8VDD 0.3VDD 0.2VDD VDD-0.4 Typ. Max.
SDATA SCLK,CSN SDATA SCLK,CSN VIH=VDD SDATA,SCLK,CSN VIL=0V SDATA,SCLK,CSN IOH=+0.2mA SDATA IOL=-0.4mA SDATA
MS0375-J-00
2005/01
[AK2347]
VMCK1_IH VMCK1_IL VMCK2 Min. Typ. 3.6864 3.579545 Max.
XIN, XOUT
DCXIN
IDD0 IDD1 IDD2 IDD3 IDD4 Min. Typ. 0.08 Max. 0.14
Mode0 OSC:OFF,:OFF, Sub-Audio:OFF Mode1 OSC:ON,:OFF, Sub-Audio:OFF Mode2 OSC:ON,:ON, Sub-Audio:OFF Mode3 OSC:ON,:OFF, Sub-Audio:ON Mode4 OSC:ON, :ON, Sub-Audio:ON
MS0375-J-00
2005/01
[AK2347]
MCK=3.6864MHz, f=1kHz, :ON, :ON, :OFF, VR1=VR2=VR3=VR4=0dB, HPF=LMT=1. P.2731. dBx, 0dBx=-5+20log(VDD/2)dBm 0dBm=0.775Vrms Min. Typ. Max. @TXINO, EXTINO TXINOMOD EXTINOMOD -1.5 -1.5 +1.5 +1.5 -8.6 -7.6 -6.6 -6.6 -14.0 -16.0
EXTINOMOD LMT=0 EXTINO=-3dBx, 30kHz EXTINDC,MOD TXINOMOD TXINO=-44dBx TXINO=-50dBx TXINO-10dBxMOD TXINOMOD, TXINO=-10dBx 30kHz TXIN0MOD, TXINIO C-Message Filter TXINOMOD -6.0+4.5dB, 1.5dB/step TXINOMOD (VR24,23,22,21,20) -3.2+3.0dB, 0.2dB/step TXINOMOD, -6.4dB. (VR25=0)
-20.0 -24.0
-17.0 -20.0
-36.5 -1.5 -0.2 -6.8 -6.4 +1.5 +0.2 -6.0
@RXINO
RXINOFILTERO RXINORXOUT RXINORXOUT RXINO=-25dBx RXINO=-30dBx
Min. -1.5 -1.5 -33.0 -45.0
Typ. -30.0 -40.0
Max. +1.5 +1.5 -27.0 -35.0
RXINO-10dBxRXOUT
RXINORXOUT, RXINO=-5dBx 30kHz RXIN0RXOUT, RXINO C-Message Filter
MS0375-J-00
2005/01
[AK2347]
RXIN0RXOUT -4.0+3.5dB, 0.5dB/step RXIN0RXOUT -4.5+4.5dB, 0.25dB/step RXIN0RXOUT, -18dB. (VR4540 0,0,0,0,0,0)
Min. -0.5 -0.25
Typ.
Max. +0.5 +0.25
3.1) :0N, :OFF, :OFF Min. TXINO 250Hz 300Hz -12.5 2.5kHz +6.0 1kHz 3.0kHz +4.5 6.0kHz 300Hz -12.5 2.5kHz +6.0 3.0kHz +7.0 6.0kHz 250Hz RXINO RXOUT 300Hz +8.5 1kHz 3.0kHz -11.5 6.0kHz 3.2) :0FF, :OFF, :OFF Min. TXINO 250Hz 300Hz2.0kHz -1.0 2.5kHz -1.5 1kHz 3.0kHz -4.0 6.0kHz 300Hz2.5kHz -1.0 3.0kHz -1.5 6.0kHz 250Hz RXINO RXOUT 300Hz -1.5 1kHz 350Hz3.0kHz -1.0 6.0kHz
Typ.
Max. -9.5 +9.0 +8.5 -9.5 +9.0 +10.5 +11.5 -8.5
SPL=0
SPL=1
Typ.
Max. +1.0 +1.0 -1.0 +1.0 +1.0 +1.0 +1.0
SPL=0
SPL=1
MS0375-J-00
2005/01
[AK2347]
GAIN(dB)
1.E+02 1.E+03 1.E+04 SPL=0 SPL=1
FREQUENCY(Hz)
Fig.1
GAIN(dB)
SPL=0 1.E+02 SPL=1
1.E+03
1.E+04
FREQUENCY(Hz)
Fig.2
:OFF
MS0375-J-00
2005/01
[AK2347]
GAIN(dB)
1.E+02 1.E+03 1.E+04
FREQUENCY(Hz)
Fig.3
GAIN(dB)
1.E+02
1.E+03
1.E+04
FREQUENCY(Hz)
Fig.4
:OFF
MS0375-J-00
2005/01
[AK2347]
4.1) :ON, :OFF, :OFF, MCKSL=1, SCSL=0/1.3.388kHz MCKSL=0, SCSL=0 .3.290kHz Min. Typ. Max. 3.388 3.290 TXINOMOD, RXINORXOUT 1.0kHz -10dBx 2.388kHz(3.388kHz) 2.290kHz(3.290kHz) TXINOMOD, RXINORXOUT 1.0kHz -10dBx 4.388kHz(3.388kHz) 4.290kHz(3.290kHz) TXINOMOD, RXINORXOUT 3.388kHz 3.290kHz TXINOMOD, RXINORXOUT 1.0kHz -10dBx 1.0kHz
4.2)
:ON, :OFF, :OFF, MCKSL=0, SCSL=1 Min. Typ. Max. 3.390 TXINOMOD, TXINOMOD, TXINOMOD, TXINOMOD, RXINORXOUT 1.0kHz -10dBx 2.390kHz RXINORXOUT 1.0kHz -10dBx 4.390kHz RXINORXOUT 3.390kHz RXINORXOUT 1.0kHz -10dBx 1.0kHz
MS0375-J-00
2005/01
[AK2347]
Sub-Audio 250.3Hz 5.1) Min. Typ. Max. CTCSS CTCSS @TSAOUT DINOTSAOUT DINOTSAOUT 250.3Hz,Duty50%,585mVp-p(@3V) 30kHz @RSAOUT RXINORSAOUT RXINORSAOUT RXINO=-10dBx 30kHz RXIN0RSAOUT -6.0+6.0dB, 0.5dB/step -0.5 +0.5
CTCSS CTCSS
5.2) fc=260.9Hz
DINOTSAOUT 100Hz
50240Hz 250Hz 300Hz
Min. -1.0 -1.5
Typ.
Max. +1.0 +1.0
GAIN(dB) 1.E+01
1.E+02 FREQUENCY(Hz)
Fig.5 Sub-Audio
1.E+03
MS0375-J-00
2005/01
[AK2347]
TXRX=0
EXTIN f=1kHz TXINO
TXA2
TXIN
TXA1 30dB
+4.5 -6.0
Compressor Crosspoint -10dBx
Pre-emphasis
TXHPF
Limiter
-7.6dBx
Splatter +VR2
+3.0 -9.6
Scrm /Descrm
-5.5
-7.0 -10dBx (Audio) -19.2
-27dBx -30dBx
TXRX=1
f=1kHz
RXINO RXA1 20dB
FILTERO
+3.5 -4.0
RXIN
RXLPF
RXHPF
+5dB
De-emphasis -5dB
Expander
Crosspoint -10dBx
+4.5 -18.0
RXOUT
Scrm /Descrm
-5dB
-6.5 -5.5 -10dBx (Typ.) 0dBx (Max.)
-40dBx -50dBx
dBx0dBx=-5+20log(VDD/2)dBm
MS0375-J-00
2005/01
[AK2347]
AK2347CSN, SCLK, SDATA SDATA()(R/W) MSB, A3A0MSB, D7D0 WRITE
SCLK SDATA (Input) SDATA (Output)
Hi-Z
READ
SCLK SDATA (Input) SDATA (Output)
Hi-Z Hi-Z
"Low""High"
A3A0 D7D0 CSN()"High" CSN"Low" CSN"Low"14SCLKSDATA A0D7"Low" CSN"Low"SCLK5SDATA A0D7 SCLK9SDATA"Hi-Z" CSN"Low"14SCLK
MS0375-J-00
2005/01
[AK2347]
WRITE
Tcss Tcsh
SCLK
SDATA (Input) SDATA (Output)
Hi-Z
READ
Tcss Tcsh
SCLK
Hi-Z
SDATA (Input) SDATA (Output)
Hi-Z
SCLK
setup time SDATA setup time SDATA hold time SCLK high time SCLK time hold time SDATA Hi-Z setup time
SCLKSDATA delay time
CSNSDATA delay time SCLK rising time SCLK falling time
Tcss Tcsh
Min.
Typ.
Max.
20pF 20pF
VIHVIL VOHVOL
MS0375-J-00
2005/01
[AK2347]
VR53
FILSW1
PCONT VR52 VR25
TXRX VR51 VR24
TXSW2 SCSL VR50 VR23 VR33 VR43
TXSW1 VR12 VR22 VR32 VR42
RXSW VR11 VR21 VR31 VR41
MCKSL SASW VR10 VR20 VR30 VR40
Sub-Audio Reserved
VR54
FILSW2
VR45
VR44 RSTN
REVNUM[3:0]
"-"LSIWriteRead 0111 VR33VR30, VR45VR40, SA5SA1
2.1)
TXRX
TXSW2
TXSW1
RXSW
MCKSL
2.1.1)
Mode0 Mode1 Mode2 Mode3 Mode4
OSC,AGND
TX,RX
Sub-Audio
2.1.2)
TXRX RXSW MCKSL
3.579545MHz
3.6864MHz
MS0375-J-00
2005/01
[AK2347]
2.1.3)
TXSW2 TXSW1
AGNDLimiterSplatter HPFLimiterSplatter EXTINLimiterSplatter
HPF+EXTINAdderLimiterSplatter
TXRX=0RXSW=1TXINRXOUT PCONT=1 RXSW=0RXOUT TXRX=1TXSW2/TXSW1=0/1RXINMOD PCONT=1 TXSW2/TXSW1=1/1MOD 4)RXSW=0FILTERO
2.2)
PCONT
SCSL
SASW
Splatter MCKSL=0 MCKSL=1 TX/RX Sub-Audio
PCONT
(Bypass) 2.55kHz 3.290kHz 3.388kHz (Bypass) (Bypass) TSAOUT
(Active) 3.0kHz 3.390kHz 3.388kHz (Active) (Active) RXIN RSAOUT
SCSL SASW
(Active) (Bypass) (Bypass) (Bypass) (Bypass) (Active)
MS0375-J-00
2005/01
[AK2347]
2.3)
VR54
VR53
VR52
VR50
VR12
VR11
VR10
VR51
VR54
VR53
VR52
VR51
VR50
VR5(dB) -6.0 -5.5 -5.0 -4.5 -4.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 +0.5 +1.0 +1.5 +2.0 +2.5 +3.0 +3.5 +4.0 +4.5 +5.0 +5.5 +6.0
VR12
VR11
VR10
VR1(dB) -6.0 -4.5 -3.0 -1.5 +1.5 +3.0 +4.5
MS0375-J-00
2005/01
[AK2347]
2.4)
FILSW2
FILSW1
VR25
VR23
VR22
VR21
VR20
VR24
FILSW2 FILSW1
FILTERO
FILTERORXLPF FILTEROTX/RX VR25 VR2(dB) -6.4 VR21 VR20 VR2(dB) -3.2 -3.0 -2.8 -2.6 -2.4 -2.2 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 +0.2 +0.4 +0.6 +0.8 +1.0 +1.2 +1.4 +1.6 +1.8 +2.0 +2.2 +2.4 +2.6 +2.8 +3.0
VR24
VR23
VR22
MS0375-J-00
2005/01
[AK2347]
2.5)
VR33
VR32
VR31
VR30
VR33 VR32
VR31
VR30
VR3(dB) -4.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 +0.5 +1.0 +1.5 +2.0 +2.5 +3.0 +3.5
MS0375-J-00
2005/01
2.6)
[AK2347]
VR45
VR44 VR43
VR42
VR41
VR40
VR45 VR44
VR43
VR42
VR41
VR40
VR4(dB) -18.0 -4.50 -4.25 -4.00 -3.75 -3.50 -3.25 -3.00 -2.75 -2.50 -2.25 -2.00 -1.75 -1.50 -1.25 -1.00 -0.75 -0.50 -0.25 0.00 +0.25 +0.50 +0.75 +1.00 +1.25 +1.50 +1.75 +2.00 +2.25 +2.50 +2.75 +3.00 +3.25 +3.50 +3.75 +4.00 +4.25 +4.50
MS0375-J-00
2005/01
[AK2347]
2.7) Sub-Audio
MCKSL=0(3.579545M)
MCKSL=1(3.6864MHz)
Cut-off Frequency (Hz) Target CTCSS (Hz)
Divide Cut-off Frequency
(Hz)
Target CTCSS (Hz)
59.4 60.3 61.3 62.3 63.3 64.4 65.5 66.7 67.8 69.1 70.3 71.7 73.1 74.5 76.0 77.6 79.2 80.6 82.6 84.4 86.3 88.4 90.4 92.7 95.0 97.4 100.0 102.7 105.6 108.6 111.8 115.1
67.0 69.3 71.9 74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 97.4 100.0 103.5 107.2
61.1 62.1 63.1 64.1 65.2 66.3 67.5 68.6 69.9 71.1 72.5 73.8 75.2 76.7 78.3 79.8 81.5 83.3 85.1 87.0 89.0 91.0 93.2 95.5 97.8 100.3 103.0 105.8 108.7 111.8 115.1 118.6
67.0 69.3 71.9 74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 97.4 100.0 103.5 107.2 110.9
MS0375-J-00
2005/01
[AK2347]
MCKSL=0(3.579545M)
MCKSL=1(3.6864MHz)
Cut-off Frequency (Hz) Target CTCSS (Hz)
Divide Cut-off Frequency
(Hz)
Target CTCSS (Hz)
118.8 122.5 126.6 131.0 135.7 140.7 146.2 152.0 158.3 165.2 172.7 180.9 190.0 200.0 211.1 222.9 237.5 253.2 271.3 292.4 316.7 345.3 379.9 422.2 475.0 542.7
110.9 114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 156.7 162.2 167.9 173.8 179.9 186.2 192.8 203.5 210.7 218.1 225.7 233.6 241.8 250.3 (254.1) (268.8) (403.2)
122.3 126.2 130.5 135.0 139.8 144.9 150.5 156.5 163.0 170.1 177.9 186.4 195.6 205.9 217.3 229.6 244.5 260.9 279.5 300.9 326.0 355.8 391.3 434.7 489.0 559.1
114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 156.7 162.2 167.9 173.8 179.9 186.2 192.8 203.5 210.7 218.1 225.7 233.6 241.8 250.3 (254.1) (268.8) (403.2)
Divide10*[64-()]
MS0375-J-00
2005/01
[AK2347]
2.8)
RSTN
REVNUM[3:0]
2.8.1) RSTN"0" 2.8.2) D3D0AK2347
MS0375-J-00
2005/01
[AK2347]
TXA1 30dB100kHz 30dB10kHzLPF
TXINO
C1=0.47uF C2=33pF C3=2200pF
TXA1 AGND TXIN R1=R2=10k R3=330k
TXA2 0dB100kHz 0dB13kHzLPF
EXTINO
C1=0.47uF C2=100pF C3=470pF
TXA2
EXTIN
R1=R2=R3=51k
AGND
MS0375-J-00
2005/01
[AK2347]
RXA1 20dB100kHz 20dB39kHzLPF
RXINO
C1=0.47uF C2=33pF C3=560pF
RXA1
RXIN
R1=10k R2=9.1k
AGND R3=100k
DTA1 Sub-Audio Programmable LPF0dB 100kHz 0dB7.2kHzLPF
DINO
C1=0.47uF C2=220pF
DTA1 R1=R2=100k
MS0375-J-00
2005/01
[AK2347]
VDD-VSS
C1=22uF (Electrolytic cap) C2=0.1uF (Ceramic cap)
AGND,AGNDINVSS0.3uFAGND
AGNDIN
AGND
C=1uF
MS0375-J-00
2005/01
[AK2347]
3.6864MHz3.579545MHz Fig.6150(Max.)5pF(Max.) 22pF16pF(5pF+22pF//22pF) XIN,XOUT Fig.7Fig.8 XIN(0.8V)High1.5V Low0.4VFig.7p-p0.2V 1.0VFig.8 ICXIN
22pF 3.6864MHz
External Clock
3.6864MHz 3.579545MHz
XOUT 22pF
3.579545MHz XOUT
Fig.
Fig.
0.01uF
External Clock
3.6864MHz XOUT
3.579545MHz
Fig.
MS0375-J-00
2005/01
[AK2347]
LIMLV LIMLVLimiter HVref 0.256 (VDD AGND) [Vo-p] VDD=3V AGND(=1/2VDD)DC LIMLVAGNDAGND±(LIMLV-AGND) VDD=3V LIMLV=1.6V 1.5±0.1V 1.7V 1.5±0.2V 1.8V 1.5±0.3V 1.9V 1.5±0.4V 1.933V 1.5±0.433VMax: -6.6dBx LimiterAGND VDD,AGNDLIMLVDC R1+R2=51k
LIMLV
R1+R2 AGND
MS0375-J-00
2005/01
[AK2347]
AK2347 XXXYZ
XXXYZ
7.9±0.2 0.15+0.10 -0.05
0.12
0°~10°
0.65
0.22+0.10 -0.05
Unit
0.08
0.10±0.05
MS0375-J-00
1.15±0.10
7.6±0.2
0.5±0.2
2005/01
[AK2347]
MS0375-J-00
2005/01

AK2347 (3.388kHz, 3.290kHz) CTCSSLPF (3.6864MHz, 3.579545MHz) 2.7

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